Properties of the Number 4987

Four Thousand Nine Hundred Eighty-Seven

Basics

Value: 4986 → 4987 → 4988

Parity: odd

Prime: Yes

Previous Prime: 4973

Next Prime: 4993

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 4987

Divisors: 1, 4987

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001101111011

Octal: 11573

Duodecimal: 2A77

Hexadecimal: 137b

Square: 24870169

Square Root: 70.61869440877535

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = floor(3ⁿ / 2ⁿ). A2379

Primes of form n² + n + 17. A7635

Smallest of three consecutive primes with a difference of 6: primes p such that p+6 and p+12 are the next two primes. A47948

Number of integer partitions of n whose length cannot be written as a nonnegative linear combination of the distinct parts. A367219

Smallest prime of a triple of successive primes, where the middle one is the arithmetic mean of the other two. A122535

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d = 2, 4 or 6) and forming d-pattern = [6, 6, 4]; short d-string notation of pattern = [664]. A78858

Number T(n,k) of entries in the k-th blocks of all set partitions of [n] when blocks are ordered by increasing lengths (and increasing smallest elements); triangle T(n,k), n>=1, 1<=k<=n, read by rows. A319298

Number of non-isomorphic non-normal semi-magic square multiset partitions of weight n. A321721

Number of integer partitions of n with no part dividing or divisible by all the others. A343342

a(n) = prime(n*(n+1)/2 + 1). A78721